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Tue, 07 Apr 2026 03:26:53 -0700 (PDT) Received: from mbp.lan ([202.127.77.110]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-2ca760b0518sm16483880eec.0.2026.04.07.03.26.49 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Tue, 07 Apr 2026 03:26:52 -0700 (PDT) From: Su Yue To: linux-raid@vger.kernel.org Cc: song@kernel.org, xni@redhat.com, linan122@huawei.com, yukuai@fnnas.com, heming.zhao@suse.com, l@damenly.org, Su Yue Subject: [PATCH v2 4/5] md: skip ID_BITMAP_NONE when show available bitmap types Date: Tue, 7 Apr 2026 18:26:24 +0800 Message-ID: <20260407102625.5686-5-glass.su@suse.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260407102625.5686-1-glass.su@suse.com> References: <20260407102625.5686-1-glass.su@suse.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit As none_bitmap_ops is introduced, ID_BITMAP_NONE should be skipped while iterating md submodules, otherwise: $ cat /sys/block/md0/md/bitmap_type [none] bitmap llbitmap [none] Signed-off-by: Su Yue --- drivers/md/md.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/md/md.c b/drivers/md/md.c index 55a95b227b83..20a953676319 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -4269,6 +4269,8 @@ bitmap_type_show(struct mddev *mddev, char *page) xa_for_each(&md_submodule, i, head) { if (head->type != MD_BITMAP) continue; + if (head->id == ID_BITMAP_NONE) + continue; if (mddev->bitmap_id == head->id) len += sprintf(page + len, "[%s] ", head->name); -- 2.53.0